Surface imprinted-covalent organic frameworks for efficient solid-phase extraction of fluoroquinolones in food samples

LH Su, HL Qian, C Yang, C Wang, Z Wang… - Journal of Hazardous …, 2023 - Elsevier
Molecularly imprinting on covalent organic frameworks (MI-COF) is a promising way to
prepare selective adsorbents for effective extraction of fluoroquinolones (FQs). However, the …

Restricted access media-imprinted nanomaterials based on a metal–organic framework for highly selective extraction of fluoroquinolones in milk and river water

J Li, Y Zhou, Z Sun, T Cai, X Wang, S Zhao… - … of Chromatography A, 2020 - Elsevier
A new type of restricted access media-imprinted nanomaterials (RAM-MIPs) were
successfully prepared on the surface of metal-organic framework by reversible addition …

Room-temperature synthesis of flower-shaped covalent organic frameworks for solid-phase extraction of quinolone antibiotics

G Xu, X Dong, L Hou, X Wang, L Liu, H Ma… - Analytica Chimica Acta, 2020 - Elsevier
The facile fabrication of covalent organic frameworks (COFs) is significant for exploring and
promoting their application. In this study, TAPA-TFPB-COFs with flower-shaped morphology …

Fabrication of enrofloxacin imprinted organic–inorganic hybrid mesoporous sorbent from nanomagnetic polyhedral oligomeric silsesquioxanes for the selective …

HB He, C Dong, B Li, JP Dong, TY Bo, TL Wang… - … of Chromatography A, 2014 - Elsevier
This paper reports a nanomagnetic polyhedral oligomeric silsesquioxanes (POSS)-directing
strategy toward construction of molecularly imprinted hybrid materials for antibiotic residues …

Magnetic covalent organic frameworks with core-shell structure as sorbents for solid phase extraction of fluoroquinolones, and their quantitation by HPLC

M Wang, M Gao, K Zhang, L Wang, W Wang, Q Fu… - Microchimica Acta, 2019 - Springer
A core-shell structured magnetic covalent organic frameworks of the type Fe 3 O 4@ COFs
was prepared by using the Fe 3 O 4 nanoparticles as magnetic core, and 4, 4”-diamino-p …

Magnetic zinc based 2D-metal organic framework as an efficient adsorbent for simultaneous determination of fluoroquinolones using 3D printed microchip and liquid …

N Bagheri, HAJ Al Lawati, NA Al Sharji, J Hassanzadeh - Talanta, 2021 - Elsevier
Herein, a two dimensional metal-organic framework (2D MOF) is introduced as an efficient
adsorbent for simultaneously extraction of fluoroquinolones (FQs) from milk samples. The …

Facile synthesis of magnetic sulfonated covalent organic framework composites for simultaneous dispersive solid-phase extraction and determination of β-agonists …

K Hu, Y Shi, W Zhu, J Cai, W Zhao, H Zeng, Z Zhang… - Food Chemistry, 2021 - Elsevier
In this work, an efficient method for the determination of β-agonists and fluoroquinolones
was established, based on a mixed-mode sorbent of magnetic sulfonated covalent organic …

Sulphonate functionalized covalent organic framework-based magnetic sorbent for effective solid phase extraction and determination of fluoroquinolones

A Wen, G Li, D Wu, Y Yu, Y Yang, N Hu, H Wang… - … of Chromatography A, 2020 - Elsevier
Most of the reported covalent organic frameworks (COFs) are hydrophobic, limiting their
adsorption application in sample pretreatment field. In this work, sulphonate functionalized …

Novel N-riched covalent organic framework for solid-phase microextraction of organochlorine pesticides in vegetable and fruit samples

J Li, Z Wang, J Li, S Zhang, Y An, L Hao, X Yang… - Food Chemistry, 2022 - Elsevier
A covalent organic framework named N-COF was successfully constructed by the aldehyde-
amine condensation reaction between 2, 4, 6-tris (4-formyl phenoxy)-1, 3, 5-triazine and 1, 3 …

Use of a magnetic covalent organic framework material with a large specific surface area as an effective adsorbent for the extraction and determination of six …

S Guan, H Wu, L Yang, Z Wang… - Journal of separation …, 2020 - Wiley Online Library
A magnetic covalent organic framework material was synthesized with a core‐shell structure
using a simple solvothermal method. It was prepared with Fe3O4 as the magnetic core …